The Chrosziel Bridge Plate with Quick-Lock & 0.75" Carbon Rods - 19.68" from Schneider is a Bridge Plate that consists of a 401-130 Quick-lock Tripod Plate. It also includes 0.75" (19mm) Carbon Rods that are 19.68" (500mm) in length. This combination is used with Sony V-mount shoulder and ALEXA cameras.